The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
Feb. 27, 2006
Applicants:
Masaki Hirohashi, Kyoto, JP;
Nobuhiro Shimizu, Nara, JP;
Norikazu Yamamoto, Yawata, JP;
Teruaki Shigeta, Neyagawa, JP;
Yoko Matsubayashi, Ikoma, JP;
Inventors:
Masaki Hirohashi, Kyoto, JP;
Nobuhiro Shimizu, Nara, JP;
Norikazu Yamamoto, Yawata, JP;
Teruaki Shigeta, Neyagawa, JP;
Yoko Matsubayashi, Ikoma, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 61/00 (2006.01); H01J 65/00 (2006.01); H01J 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source device has a bulb, a discharge medium containing rare gas sealed inside the bulb, an internal electrode disposed inside the bulb, and an external electrode disposed outside the bulb. A holder member holds the external electrode so that the external electrode is opposed to the bulb with a predetermined distance of a space therebetween.